In mathematics, a quadratic is a type of problem that ... Notice these values are also the places at which the graph of the standard form of the equation (y = x² – x – 1) crosses the X ...

Save guides, add subjects and pick up where you left off with your BBC account. Quadratic graph lines are U- or Ո-shaped, which is called a parabola. A linear graph can be drawn using only three ...

Standard form – WJEC Performing calculations ... Equations of curves - Intermediate & Higher tier – WJEC Quadratic, cubic and exponential graphs are three different types of curved graphs.